These Brick Extensions fit the Ring Generation 2 Doorbell (and Generation 1). Ring Generation 2 Doorbells have 4 screw holes near the outside corners. They also have an orange button on the back and a USB charge port and mount on a tilting bracket.
Standard Offset is in Red, and Full Offset is in Blue on the Right-
The Standard Offset of 7/16" overhang on the door side and the Full Offset is Flush with the door side.
Doorbell Must have a Bracket to screw into my bracket with 4 screws, and must tilt into the bracket to fit. That is the generation 2 doorbell with the integrated battery. It also fits the Generation 1 doorbell.